Member-firm provides services for geotechnical, and civil engineering as well as environmental and surveying for a school project. After the ground was broken the constructor asked for design changes to achieve earthwork balance. When more problems occurred with the excavation, the costs multiplied therefore leading to lawsuit within the parties.

AIA model contract; alternative dispute resolution; excavation; oral authorization;construction-claims;confirmation-dependent;Contract Reference; derivative liability; earthwork balance; school construction; geotechnical engineer; surveying; go/no-go